GMZ Engineering, Inc.
Westlake Village, CA · License A, B · CSLB license 967627
- City awards (RAMP)
- 0
- County wins
- 3
- $9.7M in low bids
- County bids placed
- 12
- won 3, low on 2
- Chasing now
- 1
- open County bids it holds plans on
Bidding now
- The Old Rd over Castaic Creek 53C-1403Prime contractor · due Oct 6 (11d)
What it has won
- Trancas Creek Crossing Permanent Waterline (Phase II) (opens the official page in a new tab)Awarded Nov 5, 2025
LA County Public Works · Infrastructure Projects
Awarded to GMZ Engineering, Inc. · Low bid $1.5M · 5 bids
Every bid
- Awarded to
- GMZ Engineering, Inc.Westlake Village, CA · CSLB license 967627
- Low bid
- $1,497,830
- Engineer's estimate
- $1,958,040
- Low vs. estimate
- 76% of the engineer's estimate
- Second bid
- 22% above the low bid
- Bids
- 5 bids
- Awarded
- Nov 5, 2025
- Bids opened
- Oct 7, 2025
Every bid on Trancas Creek Crossing Permanent Waterline (Phase II), as read at the opening # Bidder Bid as read 1 GMZ Engineering, Inc.Low bid $1,497,830 2 Cedro Construction, Inc. $1,821,457 3 Addison-Miller Inc. $1,946,256 4 MMC, Inc. $1,984,940 5 Blois Construction, LLC $2,058,780 LA County Public Works · Infrastructure Projects
Awarded to GMZ Engineering, Inc. · Low bid $2.9M · 10 bids
Every bid
- Awarded to
- GMZ Engineering, Inc.Westlake Village, CA · CSLB license 967627
- Low bid
- $2,914,500
- Engineer's estimate
- $2,582,000
- Low vs. estimate
- 113% of the engineer's estimate
- Second bid
- 13% above the low bid
- Bids
- 10 bids
- Awarded
- Oct 9, 2025
- Bids opened
- Sep 9, 2025
Every bid on Lower Encinal Pump Station Improvements, as read at the opening # Bidder Bid as read 1 Environmental Construction, Inc. $2,570,173 2 GMZ Engineering, Inc.Low bid $2,914,500 3 MMC, Inc. $3,058,500 4 Los Angeles Engineering, Inc. $3,376,400 5 West Valley Investment Group, Inc. $3,381,200 6 LA Design Group - WLA $3,402,193 7 Metro Builders & Engineers Group, LTD $3,514,924 8 Silverlake Constructors $3,759,560 9 Green Building Corporation $4,519,845 10 Canyon Springs Enterprises $5,052,670 - Naples Island Pump Stations Rehabilitation - Phase II (opens the official page in a new tab)Awarded Apr 22, 2025
LA County Public Works · Infrastructure Projects
Awarded to GMZ Engineering, Inc. · Low bid $5.3M · 5 bids
Every bid
- Awarded to
- GMZ Engineering, Inc.Westlake Village, CA · CSLB license 967627
- Low bid
- $5,297,000
- Engineer's estimate
- $6,415,117
- Low vs. estimate
- 83% of the engineer's estimate
- Second bid
- 5% above the low bid
- Bids
- 5 bids
- Awarded
- Apr 22, 2025
- Bids opened
- Apr 8, 2025
Every bid on Naples Island Pump Stations Rehabilitation - Phase II, as read at the opening # Bidder Bid as read 1 GMZ Engineering, Inc.Low bid $5,297,000 2 MMC, Inc. $5,562,175 3 Environmental Construction, Inc. $5,732,132 4 Metro Builders & Engineers Group, LTD $6,066,291 5 Green Building Corporation $8,222,032
See who's bidding and who won
- Every award it has won, with amounts and every bid
- Every County bid it placed, and how far it was from the low
- The open bids it is chasing now
- Follow it: hear when it pulls plans or wins
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From the public record: the City of Los Angeles' RAMP awards, and LA County Public Works plan-holder lists and bid results. Names are matched across spellings (“Inc.”, “LLC”, capitals), so two different companies with the same name would show together.